fix(bugs): never redistribute system actors

[Tochemey]

closes #446

[codecov]

Codecov Report

Attention: Patch coverage is 29.41176% with 12 lines in your changes missing coverage. Please review.

Project coverage is 85.91%. Comparing base (34c2f99) to head (a6733c3).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
actors/actor_system.go	10.00%	9 Missing ⚠️
actors/redistribution.go	50.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #447      +/-   ##
==========================================
- Coverage   85.92%   85.91%   -0.02%     
==========================================
  Files          47       47              
  Lines        3553     3557       +4     
==========================================
+ Hits         3053     3056       +3     
  Misses        351      351              
- Partials      149      150       +1     

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